EP4025738A4 - Fluff pulp - Google Patents

Fluff pulp Download PDF

Info

Publication number: EP4025738A4
Authority: EP; European Patent Office
Prior art keywords: fluff pulp; fluff; pulp
Prior art date: 2019-09-04
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Pending

Application number

EP20861528.6A

Other languages

German (de)

French (fr)

Other versions

EP4025738A1 (en

Inventor

Helena Tufvesson

Marianne KÖNIG

Gunilla SÖDERSTAM

Antonina MUNGUIA-CHANG

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Stora Enso Oyj

Original Assignee

Stora Enso Oyj

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2019-09-04

Filing date

2020-09-03

Publication date

2023-08-30

2020-09-03 Application filed by Stora Enso Oyj filed Critical Stora Enso Oyj

2022-07-13 Publication of EP4025738A1 publication Critical patent/EP4025738A1/en

2023-08-30 Publication of EP4025738A4 publication Critical patent/EP4025738A4/en

Status Pending legal-status Critical Current

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/002—Tissue paper; Absorbent paper
- D21H27/004—Tissue paper; Absorbent paper characterised by specific parameters
- D21H27/005—Tissue paper; Absorbent paper characterised by specific parameters relating to physical or mechanical properties, e.g. tensile strength, stretch, softness
- D21H27/007—Tissue paper; Absorbent paper characterised by specific parameters relating to physical or mechanical properties, e.g. tensile strength, stretch, softness relating to absorbency, e.g. amount or rate of water absorption, optionally in combination with other parameters relating to physical or mechanical properties
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/001—Modification of pulp properties
- D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
- D21C9/005—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic compounds
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/001—Modification of pulp properties
- D21C9/007—Modification of pulp properties by mechanical or physical means
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
- D21H11/04—Kraft or sulfate pulp
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
- D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
- D21H15/04—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration crimped, kinked, curled or twisted fibres
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/002—Tissue paper; Absorbent paper
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/30—Multi-ply
- D21H27/42—Multi-ply comprising dry-laid paper
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F2013/530007—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made from pulp
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/002—Tissue paper; Absorbent paper
- D21H27/004—Tissue paper; Absorbent paper characterised by specific parameters
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/002—Tissue paper; Absorbent paper
- D21H27/004—Tissue paper; Absorbent paper characterised by specific parameters
- D21H27/005—Tissue paper; Absorbent paper characterised by specific parameters relating to physical or mechanical properties, e.g. tensile strength, stretch, softness

Landscapes

Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (AREA)
Wood Science & Technology (AREA)
Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Mechanical Engineering (AREA)
Inorganic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Biomedical Technology (AREA)
Heart & Thoracic Surgery (AREA)
Vascular Medicine (AREA)
Animal Behavior & Ethology (AREA)
General Health & Medical Sciences (AREA)
Public Health (AREA)
Veterinary Medicine (AREA)
Epidemiology (AREA)
Paper (AREA)
Nonwoven Fabrics (AREA)
Absorbent Articles And Supports Therefor (AREA)

EP20861528.6A 2019-09-04 2020-09-03 Fluff pulp Pending EP4025738A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE1951006A SE543640C2 (en)	2019-09-04	2019-09-04	Fluff pulp from oxygen delignified pulp
PCT/IB2020/058188 WO2021044321A1 (en)	2019-09-04	2020-09-03	Fluff pulp

Publications (2)

Publication Number	Publication Date
EP4025738A1 EP4025738A1 (en)	2022-07-13
EP4025738A4 true EP4025738A4 (en)	2023-08-30

Family

ID=74852177

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20861528.6A Pending EP4025738A4 (en)	2019-09-04	2020-09-03	Fluff pulp

Country Status (10)

Country	Link
US (1)	US12297600B2 (en)
EP (1)	EP4025738A4 (en)
JP (1)	JP7565343B2 (en)
CN (1)	CN114302991B (en)
AU (1)	AU2020340608A1 (en)
BR (1)	BR112022003848A2 (en)
CA (1)	CA3149367A1 (en)
CL (1)	CL2022000384A1 (en)
SE (1)	SE543640C2 (en)
WO (1)	WO2021044321A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2024185413A1 (en) *	2023-03-06	2024-09-12	王子ホールディングス株式会社	Pulp sheet for fluff pulp, fluff mat, and absorbent article
WO2025134952A1 (en) *	2023-12-22	2025-06-26	王子ホールディングス株式会社	Pulp sheet for fluff pulp, fluff mat, absorbent article, and method for producing pulp sheet for fluff pulp

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2014026188A1 (en) *	2012-08-10	2014-02-13	International Paper Company	Fluff pulp and high sap loaded core
JP2015151655A (en) *	2014-02-18	2015-08-24	日本製紙株式会社	fluffed pulp
JP2015198653A (en) *	2014-03-31	2015-11-12	日本製紙株式会社	Feed for ruminants
US20190174794A1 (en) *	2016-08-26	2019-06-13	Nippon Paper Industries Co., Ltd.	Feedstuffs for ruminants

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4004967A (en) *	1972-06-22	1977-01-25	Billeruds Aktiebolag	Bleaching cellulose pulp with oxygen in the presence of formaldehyde
CA1062858A (en) *	1975-02-18	1979-09-25	James C. M. Hou	Oxygen bleaching of pulp in presence of high-silica protector
US5164043A (en) *	1990-05-17	1992-11-17	Union Camp Patent Holding, Inc.	Environmentally improved process for bleaching lignocellulosic materials with ozone
SE469843B (en) *	1992-02-14	1993-09-27	Stora Kopparbergs Bergslags Ab	Fluff pulp and method when preparing fluff pulp
CA2181163C (en) *	1994-01-21	2008-02-19	Phyllis Leithem	Cold caustic extraction of pulps for absorbent products
SE508898C2 (en) *	1996-04-15	1998-11-16	Stora Kopparbergs Bergslags Ab	Methods of Preparing a Cellulose Mass, Cellulose Mass for Use in Absorption Products, and Such Absorption Product
KR101797942B1 (en)	2009-05-28	2017-11-15	게페 첼루로제 게엠베하	Modified cellulose from chemical kraft fiber and methods of making and using the same
CN101768887B (en) *	2010-03-17	2012-12-26	山东和润浆纸有限公司	Circular utilization method of straw in pulping and papermaking processes
BR112015019882A2 (en) *	2013-03-14	2017-07-18	Gp Cellulose Gmbh	oxidized bleached kraft fiber and methods for making kraft pulp and softwood kraft fiber and for bleaching multi-stage bleaching cellulose kraft pulp
CN103850145A (en) *	2014-03-07	2014-06-11	北京正利恒丰浆纸有限公司	Natural color fluff pulp and preparation method thereof
SE538863C2 (en) *	2015-05-22	2017-01-10	Innventia Ab	Process for the production of paper or paperboard, paper or paperboard product obtained and uses thereof
CN108193539A (en) *	2017-12-28	2018-06-22	云南云景林纸股份有限公司	A kind of preparation method for obtaining uniformly separation eucalyptus pulp fibers

2019
- 2019-09-04 SE SE1951006A patent/SE543640C2/en unknown
2020
- 2020-09-03 CN CN202080061389.4A patent/CN114302991B/en active Active
- 2020-09-03 WO PCT/IB2020/058188 patent/WO2021044321A1/en active IP Right Grant
- 2020-09-03 US US17/753,448 patent/US12297600B2/en active Active
- 2020-09-03 JP JP2022514469A patent/JP7565343B2/en active Active
- 2020-09-03 AU AU2020340608A patent/AU2020340608A1/en active Pending
- 2020-09-03 BR BR112022003848A patent/BR112022003848A2/en unknown
- 2020-09-03 CA CA3149367A patent/CA3149367A1/en active Pending
- 2020-09-03 EP EP20861528.6A patent/EP4025738A4/en active Pending
2022
- 2022-02-16 CL CL2022000384A patent/CL2022000384A1/en unknown

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2014026188A1 (en) *	2012-08-10	2014-02-13	International Paper Company	Fluff pulp and high sap loaded core
JP2015151655A (en) *	2014-02-18	2015-08-24	日本製紙株式会社	fluffed pulp
JP2015198653A (en) *	2014-03-31	2015-11-12	日本製紙株式会社	Feed for ruminants
US20190174794A1 (en) *	2016-08-26	2019-06-13	Nippon Paper Industries Co., Ltd.	Feedstuffs for ruminants

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021044321A1 *

Also Published As

Publication number	Publication date
CA3149367A1 (en)	2021-03-11
SE543640C2 (en)	2021-05-11
WO2021044321A1 (en)	2021-03-11
JP7565343B2 (en)	2024-10-10
CN114302991A (en)	2022-04-08
US20220290376A1 (en)	2022-09-15
JP2022546713A (en)	2022-11-07
SE1951006A1 (en)	2021-03-05
CN114302991B (en)	2024-07-30
BR112022003848A2 (en)	2022-05-31
US12297600B2 (en)	2025-05-13
AU2020340608A1 (en)	2022-03-10
EP4025738A1 (en)	2022-07-13
CL2022000384A1 (en)	2022-06-03

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Legal Events

Date	Code	Title	Description
2021-03-12	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2022-06-10	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2022-06-10	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2022-07-13	17P	Request for examination filed	Effective date: 20220404
2022-07-13	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2022-12-14	DAX	Request for extension of the european patent (deleted)
2022-12-14	RAV	Requested validation state of the european patent: fee paid	Extension state: TN Effective date: 20220404
2023-08-30	A4	Supplementary search report drawn up and despatched	Effective date: 20230802
2023-08-30	RIC1	Information provided on ipc code assigned before grant	Ipc: D21C 9/00 20060101ALI20230727BHEP Ipc: D21H 27/00 20060101ALI20230727BHEP Ipc: D21H 11/04 20060101ALI20230727BHEP Ipc: D21H 11/00 20060101ALI20230727BHEP Ipc: A61F 13/15 20060101ALI20230727BHEP Ipc: D21C 9/10 20060101ALI20230727BHEP Ipc: D21C 9/147 20060101AFI20230727BHEP